Sichuan Institute of Piezoelectric and Acoustooptic Technology

LBN77 SAW Filter Electrical Characteristic

Parameter

Unit

Minimum

Typical

Maximum

Center Frequency

MHz

76.92

76.97

76.82

Insertion Loss

dB

18.5

20

3 dB Bandwidth

MHz

3.75

3.82

3.85

40 dB Bandwidth

MHz

5.28

5.3

Passband variation

(75.225MHz to 78.715MHz)

dB

0.8

2.3

Absolute Delay

usec

2.9

Ultimate Rejection

(outside 70MHz~85MHz)

dB

50

55

Substrate Material

Ambient Temperature

AC

25

Package Size

6/14

(22.2x12.6x5.2mm

77MHz SAW Filter Typical Performance

70

75

80

85

-90

-80

-70

-60

-50

-40

-30

-20

Type performance

Frequency(MHz)

74

76

78

-26

-25

-24

-23

-22

-21

-20

-19

-18

-17

Frequency(MHz)